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src
ccrtp
formats.h
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// Copyright (C) 2002 Federico Montesino Pouzols <fedemp@altern.org>.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// This exception applies only to the code released under the name GNU
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// ccRTP. If you copy code from other releases into a copy of GNU
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// ccRTP, as the General Public License permits, the exception does
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// not apply to the code that you add in this way. To avoid misleading
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// anyone as to the status of such modified files, you must delete
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// this exception notice from them.
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//
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// If you write modifications of your own for GNU ccRTP, it is your choice
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// whether to permit this exception to apply to your modifications.
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// If you do not wish that, delete this exception notice.
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//
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#ifndef CCXX_RTP_FORMATS_H_
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#define CCXX_RTP_FORMATS_H_
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NAMESPACE_COMMONCPP
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typedef
uint8
PayloadType
;
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const
PayloadType
ptINVALID
= 128;
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typedef
enum
{
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// Types for audio formats:
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sptPCMU
= 0,
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firstStaticPayloadType
=
sptPCMU
,
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// 1016 static payload type is now deprecated. Type 1 is reserved.
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// spt1016, ///< CELP audio (FED-STD 1016) (RFC 1890)
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sptG726_32
= 2,
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sptGSM
,
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sptG723
,
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sptDVI4_8000
,
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sptDVI4_16000
,
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sptLPC
,
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sptPCMA
,
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sptG722
,
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sptL16_DUAL
,
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sptL16_MONO
,
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sptQCELP
,
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// Type 13 is reserved.
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sptMPA
= 14,
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sptG728
,
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sptDVI4_11025
,
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sptDVI4_22050
,
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sptG729
,
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// Type 19 is reserved. Types 20 - 23 are unassigned.
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lastStaticAudioPayloadType
=
sptG729
,
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// Types for video formats:
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// Type 24 is unassigned.
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sptCELB
= 25,
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sptJPEG
,
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// Type 27 is unassigned.
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sptNV
= 28,
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// Types 29 and 30 are unassigned.
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sptH261
= 31,
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sptMPV
,
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sptMP2T
,
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sptH263
,
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// Types 35 - 71 are unassigned.
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// Types 72 - 76 are reserved.
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// Types 96 - 127 are dynamic.
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lastStaticPayloadType
=
sptH263
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}
StaticPayloadType
;
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class
__EXPORT
PayloadFormat
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{
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public
:
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inline
PayloadType
getPayloadType()
const
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{
return
payloadType; }
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inline
uint32 getRTPClockRate()
const
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{
return
RTPClockRate; }
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protected
:
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PayloadFormat
()
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{ }
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inline
virtual
~
PayloadFormat
()
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{ }
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inline
void
setPayloadType(
PayloadType
pt)
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{ payloadType = pt; }
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inline
void
setRTPClockRate(uint32 rate)
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{ RTPClockRate = rate; }
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// default clock rate
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static
const
uint32
defaultRTPClockRate
;
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private
:
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PayloadType
payloadType;
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uint32 RTPClockRate;
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};
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class
__EXPORT
StaticPayloadFormat
:
public
PayloadFormat
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{
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public
:
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StaticPayloadFormat
(
StaticPayloadType
type);
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private
:
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static
uint32 staticAudioTypesRates[
lastStaticAudioPayloadType
-
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firstStaticPayloadType
+ 1];
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};
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class
__EXPORT
DynamicPayloadFormat
:
public
PayloadFormat
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{
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public
:
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DynamicPayloadFormat
(
PayloadType
type, uint32 rate);
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};
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// payload
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END_NAMESPACE
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#endif // ndef CCXX_RTP_FORMATS_H_
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